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Fix performance issue in custom_displayname() when imap_cache is disabled (Bifrost#T51291)

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This commit is contained in:
Aleksander Machniak 2017-10-17 09:05:29 +02:00
parent 7422273f89
commit d331f73d01
1 changed files with 14 additions and 2 deletions
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12
plugins/libkolab/lib/kolab_storage.php
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@ -576,11 +576,23 @@ class kolab_storage
*/
public static function custom_displayname($folder)
{
static $_metadata;
// find custom display name in folder METADATA
if (self::$config->get('kolab_custom_display_names', true) && self::setup()) {
if ($_metadata !== null) {
$metadata = $_metadata;
}
else {
// For performance reasons ask for all folders, it will be cached as one cache entry
$metadata = self::$imap->get_metadata("*", array(self::NAME_KEY_PRIVATE, self::NAME_KEY_SHARED));
// If cache is disabled store result in memory
if (!self::$config->get('imap_cache')) {
$_metadata = $metadata;
}
}
if ($data = $metadata[$folder]) {
if (($name = $data[self::NAME_KEY_PRIVATE]) || ($name = $data[self::NAME_KEY_SHARED])) {
return $name;